APA (7th ed.) Citation

Mazur, K. M., & James, P. C. (2000). Barred owl: Strix varia. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Mazur, Kurt M., and Paul Clive James. Barred Owl: Strix Varia. Philadelphia, PA: Birds of North America, Inc., 2000.

MLA (9th ed.) Citation

Mazur, Kurt M., and Paul Clive James. Barred Owl: Strix Varia. Birds of North America, Inc., 2000.